puzzled over the case of photographer gehrig rewarded.ely circumstantial. a smidgen of possibly tainted dna. a story that seemed to change, and those sad, possibly, desperate scrambles in a diary. in a hallway, outside the courtroom, kits family p east nervously. her's little sister, donna, held out hope. >> there's no way that there is anything -- >> in fact, it was days. but, the jury did come back. family members base themselves, and >> my understanding is that the juries are, at this, point hung. >> they were hung. not just, hung split. >> 6 to 6 was just like a gut punch. all the wind went out. >> he recovered his poise, told the judge video tried more dick again. >> i was attached to the victims family. in some respect, i thought it was certain -- a duty to them. >> and then, september 2000, intend the o'connell is filed in the court. prosecutor wagner stuck to the science, gregory's dna in the house. how could his dna be present when he hadn't lived in the home for more than two months? >> you had been away for months. >> two month